1. Veins that drain the ethmoidal sinuses and empty into the superior ophthalmic vein
   - ethmoidal vein

Type of: vein, vena, venous blood vessel

• written agreement
• written assignment
• written communication
• written document
• written language
• written material
• written matter
• written record
• written report
• written symbol
• written text
• written word
• Wroclaw
• wrong
• wrong 'un
• wrong number
• wrong way round
• wrong-foot
• wrong-side-out
• wrong-site surgery
• wrongdoer
• wrongdoing
• wrongful
• wrongful conduct
• wrongful death